JP3323745B2 - 物理量検出装置の特性調整手段および発熱抵抗式空気流量装置 - Google Patents

物理量検出装置の特性調整手段および発熱抵抗式空気流量装置

Info

Publication number
JP3323745B2
JP3323745B2 JP19597396A JP19597396A JP3323745B2 JP 3323745 B2 JP3323745 B2 JP 3323745B2 JP 19597396 A JP19597396 A JP 19597396A JP 19597396 A JP19597396 A JP 19597396A JP 3323745 B2 JP3323745 B2 JP 3323745B2
Authority
JP
Japan
Prior art keywords
adjustment
terminal
air flow
connector housing
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP19597396A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1038608A (ja
Inventor
信弥 五十嵐
内山　　薫
人志 石川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Hitachi Automotive Systems Engineering Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Car Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd, Hitachi Car Engineering Co Ltd filed Critical Hitachi Ltd
Priority to JP19597396A priority Critical patent/JP3323745B2/ja
Priority to EP97112447A priority patent/EP0821220B1/fr
Priority to EP01109499A priority patent/EP1124115B1/fr
Priority to EP03020520A priority patent/EP1376072A3/fr
Priority to DE69708409T priority patent/DE69708409T2/de
Priority to DE69739695T priority patent/DE69739695D1/de
Priority to EP10001483A priority patent/EP2182332A1/fr
Priority to CNB97115449XA priority patent/CN1178046C/zh
Priority to KR1019970034601A priority patent/KR100449470B1/ko
Priority to US08/900,517 priority patent/US6070462A/en
Publication of JPH1038608A publication Critical patent/JPH1038608A/ja
Priority to US09/867,665 priority patent/US6510735B2/en
Application granted granted Critical
Publication of JP3323745B2 publication Critical patent/JP3323745B2/ja
Priority to US10/316,057 priority patent/US6598472B2/en
Priority to US10/458,246 priority patent/US6725715B2/en
Priority to US10/806,291 priority patent/US7281423B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
    • F02M35/021—Arrangements of air flow meters in or on air cleaner housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2474—Characteristics of sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/6965—Circuits therefor, e.g. constant-current flow meters comprising means to store calibration data for flow signal calculation or correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • G01F1/699—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters by control of a separate heating or cooling element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/281—Interface circuits between sensors and control unit
    • F02D2041/283—Interface circuits between sensors and control unit the sensor directly giving at least one digital reading
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0414—Air temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Measuring Volume Flow (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Measuring Fluid Pressure (AREA)
JP19597396A 1996-07-25 1996-07-25 物理量検出装置の特性調整手段および発熱抵抗式空気流量装置 Expired - Lifetime JP3323745B2 (ja)

Priority Applications (14)

Application Number Priority Date Filing Date Title
JP19597396A JP3323745B2 (ja) 1996-07-25 1996-07-25 物理量検出装置の特性調整手段および発熱抵抗式空気流量装置
EP01109499A EP1124115B1 (fr) 1996-07-25 1997-07-21 Capteur d'une quantité physique
EP03020520A EP1376072A3 (fr) 1996-07-25 1997-07-21 Instrument de mesure thermique du débit d'air
DE69708409T DE69708409T2 (de) 1996-07-25 1997-07-21 Messwertgeber
DE69739695T DE69739695D1 (de) 1996-07-25 1997-07-21 Messwertgeber für eine physikalische Grösse
EP10001483A EP2182332A1 (fr) 1996-07-25 1997-07-21 Instrument de mesure thermique du débit d'air
EP97112447A EP0821220B1 (fr) 1996-07-25 1997-07-21 Capteur d'une quantité physique
KR1019970034601A KR100449470B1 (ko) 1996-07-25 1997-07-24 물리량검출장치의특성조정수단및발열저항식공기유량장치
CNB97115449XA CN1178046C (zh) 1996-07-25 1997-07-24 物理量传感器的特性调整装置及热气流测量仪
US08/900,517 US6070462A (en) 1996-07-25 1997-07-25 Characteristics adjusting means of physical quantity sensing device and thermal type air flow measuring instrument
US09/867,665 US6510735B2 (en) 1996-07-25 2001-05-31 Characteristics adjusting means of physical quantity sensing device and thermal type air flow measuring instrument
US10/316,057 US6598472B2 (en) 1996-07-25 2002-12-11 Characteristics adjusting apparatus of physical quantity sensing device and a thermal type air flow measuring instrument, and associated adjusting method
US10/458,246 US6725715B2 (en) 1996-07-25 2003-06-11 Characteristics adjusting apparatus of physical quantity sensing device and a thermal type air flow measuring instrument, and associated adjusting method
US10/806,291 US7281423B2 (en) 1996-07-25 2004-03-23 Characteristics adjusting apparatus of physical quantity sensing device and a thermal type air flow measuring instrument, and associated adjusting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19597396A JP3323745B2 (ja) 1996-07-25 1996-07-25 物理量検出装置の特性調整手段および発熱抵抗式空気流量装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2001265202A Division JP3787509B2 (ja) 2001-09-03 2001-09-03 発熱抵抗式空気流量測定装置

Publications (2)

Publication Number Publication Date
JPH1038608A JPH1038608A (ja) 1998-02-13
JP3323745B2 true JP3323745B2 (ja) 2002-09-09

Family

ID=16350089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19597396A Expired - Lifetime JP3323745B2 (ja) 1996-07-25 1996-07-25 物理量検出装置の特性調整手段および発熱抵抗式空気流量装置

Country Status (6)

Country Link
US (5) US6070462A (fr)
EP (4) EP1124115B1 (fr)
JP (1) JP3323745B2 (fr)
KR (1) KR100449470B1 (fr)
CN (1) CN1178046C (fr)
DE (2) DE69739695D1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6952961B2 (en) 2004-01-13 2005-10-11 Mitsubishi Denki Kabushiki Kaisha Air flow rate measuring device
JP2012047471A (ja) * 2010-08-24 2012-03-08 Denso Corp 流量測定装置
JP2016136163A (ja) * 2016-05-06 2016-07-28 日立オートモティブシステムズ株式会社 熱式流量計
JP2017090473A (ja) * 2017-02-27 2017-05-25 日立オートモティブシステムズ株式会社 熱式流量計
JP2017187511A (ja) * 2017-07-20 2017-10-12 日立オートモティブシステムズ株式会社 物理量測定装置
JP2018059945A (ja) * 2017-12-08 2018-04-12 日立オートモティブシステムズ株式会社 熱式流量計
JP2018119990A (ja) * 2018-05-09 2018-08-02 日立オートモティブシステムズ株式会社 熱式流量計

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3323745B2 (ja) * 1996-07-25 2002-09-09 株式会社日立製作所 物理量検出装置の特性調整手段および発熱抵抗式空気流量装置
JP3577945B2 (ja) * 1998-04-24 2004-10-20 日産自動車株式会社 内燃機関の動弁装置の異常診断装置
DE60012814T2 (de) * 1999-05-12 2005-01-13 Siemens Vdo Automotive Inc., Chatham Schnappbefestigungsvorrichtung
KR20020020747A (ko) * 1999-06-24 2002-03-15 고마츠 츠자부로 유량센서유닛과 이를 이용한 유량계 및 유량센서
US7055499B1 (en) * 2000-11-17 2006-06-06 Hitachi, Ltd. Internal module, members of the module, and electronic controlled throttle device for internal combustion engine
JP2002202166A (ja) * 2000-12-27 2002-07-19 Mitsui Mining & Smelting Co Ltd 流量計
EP1363110B1 (fr) * 2001-02-21 2016-10-12 Hitachi, Ltd. Dispositif de detection d'une quantite physique
US6622555B2 (en) 2001-10-11 2003-09-23 Visteon Global Technologies, Inc. Fluid flow meter
JP2003139593A (ja) * 2001-11-07 2003-05-14 Hitachi Ltd 車載電子機器および熱式流量計
JP4608843B2 (ja) * 2002-02-19 2011-01-12 株式会社デンソー 流量測定装置
JP4282938B2 (ja) * 2002-03-06 2009-06-24 株式会社日立製作所 制御回路モジュール
US6708561B2 (en) 2002-04-19 2004-03-23 Visteon Global Technologies, Inc. Fluid flow meter having an improved sampling channel
JP2004028631A (ja) * 2002-06-21 2004-01-29 Mitsubishi Electric Corp 流量センサ
JP3780243B2 (ja) * 2002-09-17 2006-05-31 株式会社日立製作所 流量検出装置および電子装置
JP4000994B2 (ja) * 2002-11-25 2007-10-31 株式会社日立製作所 内燃機関用スロットルボディ及び吸気装置
US6782745B1 (en) * 2003-02-21 2004-08-31 Visteon Global Technologies, Inc. Slosh supressor and heat sink
US6973825B2 (en) * 2003-02-24 2005-12-13 Visteon Global Technologies, Inc. Hot-wire mass flow sensor with low-loss bypass passage
US7680957B1 (en) 2003-05-09 2010-03-16 Symantec Operating Corporation Computer system configuration representation and transfer
JP4177183B2 (ja) * 2003-06-18 2008-11-05 株式会社日立製作所 熱式空気流量計
US7322010B1 (en) 2004-02-06 2008-01-22 Symantec Operating Corporation Graphical user interface for mapping computer resources
US7313719B1 (en) 2004-02-06 2007-12-25 Symantec Operating Corporation Restore of backup to computer system with filesystem/volume attribute modification
US7334157B1 (en) 2004-02-26 2008-02-19 Symantec Operating Corporation Restore of data to a computer system having different hardware
US7293272B1 (en) * 2004-02-26 2007-11-06 Veritas Operating Corporation Device driver processing for automated system restores
JP4158980B2 (ja) * 2004-07-15 2008-10-01 株式会社オーバル マルチ渦流量計
JP4020208B2 (ja) * 2004-11-30 2007-12-12 三菱電機株式会社 流量測定装置
US7185624B1 (en) * 2005-08-16 2007-03-06 Nikki Co., Ltd. Fuel injection control apparatus of engine
JP4835078B2 (ja) * 2005-09-20 2011-12-14 株式会社デンソー 車両用計器装置
US7406957B2 (en) * 2006-02-17 2008-08-05 Phillips & Temro Industries Inc. Air heater with one-piece housing
US7769990B1 (en) 2007-03-23 2010-08-03 Symantec Corporation Using a monitoring process to update system configuration settings during restore operations
US8132186B1 (en) 2007-03-23 2012-03-06 Symantec Corporation Automatic detection of hardware and device drivers during restore operations
US7886185B1 (en) 2007-03-23 2011-02-08 Symantec Corporation Creation of a device database and synthesis of device driver information during dissimilar system restore
WO2009031607A1 (fr) * 2007-09-06 2009-03-12 Ntn Corporation Unité de détection
JP2009063391A (ja) * 2007-09-06 2009-03-26 Hitachi Ltd 発熱抵抗体式空気流量測定装置が装着される吸気系部品
US7860667B2 (en) * 2008-10-03 2010-12-28 Ruskin Company Gas measurement system
JP5218378B2 (ja) * 2009-11-13 2013-06-26 株式会社デンソー 空気流量測定装置
ES2491616T3 (es) * 2010-04-19 2014-09-08 Telefonaktiebolaget Lm Ericsson (Publ) Método para generar un vector de compartición de carga
JP2013024710A (ja) * 2011-07-20 2013-02-04 Denso Corp 空気流量測定装置
DE102011080894A1 (de) * 2011-08-12 2013-02-14 Endress + Hauser Flowtec Ag Sensor-Modul zum Messen und/oder Überwachen von Parametern von in Rohrleitungen strömenden Medien sowie damit gebildetes Meßsystem
JP5743871B2 (ja) 2011-12-07 2015-07-01 日立オートモティブシステムズ株式会社 熱式流量計
JP5743922B2 (ja) * 2012-02-21 2015-07-01 日立オートモティブシステムズ株式会社 熱式空気流量測定装置
US9122711B1 (en) 2012-05-24 2015-09-01 Symantec Corporation Simplified system backup protection and recovery
JP5758850B2 (ja) * 2012-06-15 2015-08-05 日立オートモティブシステムズ株式会社 熱式流量計
JP5676527B2 (ja) * 2012-06-15 2015-02-25 日立オートモティブシステムズ株式会社 熱式流量計
CN107063368B (zh) 2012-06-15 2020-06-16 日立汽车系统株式会社 热式流量计
JP5966839B2 (ja) * 2012-10-11 2016-08-10 株式会社デンソー 流量計測装置
US9568349B2 (en) 2013-03-15 2017-02-14 Ruskin Company Gas flow measurement system and method of operation
JP5884769B2 (ja) * 2013-05-09 2016-03-15 株式会社デンソー 空気流量計測装置
US9689357B2 (en) 2013-11-15 2017-06-27 Quirt Evan Crawford Method and apparatus for improving engine performance
JP2016090413A (ja) 2014-11-06 2016-05-23 日立オートモティブシステムズ株式会社 熱式空気流量計
CN104406617B (zh) * 2014-12-10 2017-02-22 中国科学院苏州生物医学工程技术研究所 拆卸式声波传感器信号测试装置
CN105241505B (zh) * 2015-10-16 2017-03-22 中国科学院苏州生物医学工程技术研究所 基于单个Lamb波器件的压力和流速多参数测量装置和方法
US11223537B1 (en) 2016-08-17 2022-01-11 Veritas Technologies Llc Executing custom scripts from the host during disaster recovery
JP6240795B2 (ja) * 2017-01-18 2017-11-29 日立オートモティブシステムズ株式会社 熱式流量計
JP6670818B2 (ja) * 2017-12-21 2020-03-25 日立オートモティブシステムズ株式会社 熱式流量計
JP7225549B2 (ja) * 2018-03-23 2023-02-21 株式会社デンソー 吸気装置
JP6775650B2 (ja) * 2019-08-06 2020-10-28 日立オートモティブシステムズ株式会社 熱式流量計

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043195A (en) * 1975-03-13 1977-08-23 Hunting Curtis J Digital thermodynamic flow-meter
US4106350A (en) * 1977-08-29 1978-08-15 Morris Richard T Thin wire pressure sensor
FR2439388A1 (fr) * 1978-10-20 1980-05-16 Bosch Gmbh Robert Installation pour mesurer la masse d'un fluide en ecoulement
US4337822A (en) * 1979-08-16 1982-07-06 Hyltin Tom M Digital thermostat
JPS5722563A (en) * 1980-07-15 1982-02-05 Hitachi Ltd Sucked air flowmeter for internal combustion engine
JPS5828621A (ja) * 1981-08-14 1983-02-19 Hitachi Ltd 熱式流量計
FR2574538B1 (fr) * 1984-12-07 1988-02-26 Air Liquide Montage electronique et methode d'etalonnage pour debitmetre a fil chaud
US4884215A (en) * 1987-02-27 1989-11-28 Jabil Circuit Company Airflow sensor and control circuit
US4873655A (en) * 1987-08-21 1989-10-10 Board Of Regents, The University Of Texas System Sensor conditioning method and apparatus
US4918973A (en) * 1988-03-18 1990-04-24 Great Plains Industries, Inc. Apparatus and method for calibrating a measuring device
JPH0820292B2 (ja) * 1989-04-14 1996-03-04 株式会社日立製作所 内燃機関用吸入空気流量計測装置
JPH07104195B2 (ja) 1990-03-07 1995-11-13 株式会社日立製作所 熱式空気流量計
EP0441523B2 (fr) * 1990-02-07 2001-05-09 Hitachi, Ltd. Débitmètre d'air pour un moteur à combustion interne
EP0459723B1 (fr) * 1990-05-30 1996-01-17 Hitachi, Ltd. Capteur d'accélération à semi-conducteur et système de commande de véhicule utilisant celui-ci
JPH05340958A (ja) 1990-06-18 1993-12-24 Hitachi Ltd 加速度センサ
US5226333A (en) * 1991-05-30 1993-07-13 The United States Of America As Represented By The Secretary Of The Interior Deep-well thermal flowmeter
DE69232453T2 (de) * 1991-07-08 2002-07-18 Denso Corp Thermischer Durchflussmesser
JP2541248Y2 (ja) 1991-12-20 1997-07-16 第一電子工業株式会社 コネクタ
IL100684A (en) * 1992-01-16 1994-11-11 Baccarat Mitkanei Pikud Pneuma Device for dispensing predetermined dosages of flowable material
US5371686A (en) * 1992-03-30 1994-12-06 Isco, Inc. Ultrasonic fluid velocity measuring system
JPH05312613A (ja) * 1992-05-15 1993-11-22 Hitachi Ltd センサ装置
DE4231831A1 (de) * 1992-09-23 1994-03-24 Pierburg Gmbh Steuer- und Auswerteschaltung für einen Luftmassenstromsensor
US5438980A (en) * 1993-01-12 1995-08-08 Puritan-Bennett Corporation Inhalation/exhalation respiratory phase detection circuit
JP3463757B2 (ja) * 1993-04-08 2003-11-05 株式会社日立製作所 エンジン制御装置及びこれに用いる空気流量計
JP3150510B2 (ja) 1993-12-07 2001-03-26 株式会社日立製作所 発熱抵抗式空気流量計
DE4426102C2 (de) * 1994-07-22 1997-07-10 Bosch Gmbh Robert Sensorträger für eine Vorrichtung zur Messung der Masse eines strömenden Mediums und Verfahren zum Herstellen eines Sensorträgers
US5681989A (en) * 1994-11-18 1997-10-28 Hitachi, Ltd. Intake air amount measuring apparatus for internal combustion engines
JP3323745B2 (ja) * 1996-07-25 2002-09-09 株式会社日立製作所 物理量検出装置の特性調整手段および発熱抵抗式空気流量装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6952961B2 (en) 2004-01-13 2005-10-11 Mitsubishi Denki Kabushiki Kaisha Air flow rate measuring device
JP2012047471A (ja) * 2010-08-24 2012-03-08 Denso Corp 流量測定装置
US8534125B2 (en) 2010-08-24 2013-09-17 Denso Corporation Flow measuring device having an adjusting terminal in the connector that is coplanar with the projection portion
JP2016136163A (ja) * 2016-05-06 2016-07-28 日立オートモティブシステムズ株式会社 熱式流量計
JP2017090473A (ja) * 2017-02-27 2017-05-25 日立オートモティブシステムズ株式会社 熱式流量計
JP2017187511A (ja) * 2017-07-20 2017-10-12 日立オートモティブシステムズ株式会社 物理量測定装置
JP2018059945A (ja) * 2017-12-08 2018-04-12 日立オートモティブシステムズ株式会社 熱式流量計
JP2018119990A (ja) * 2018-05-09 2018-08-02 日立オートモティブシステムズ株式会社 熱式流量計

Also Published As

Publication number Publication date
KR100449470B1 (ko) 2005-01-17
US20010027683A1 (en) 2001-10-11
US6598472B2 (en) 2003-07-29
JPH1038608A (ja) 1998-02-13
US20030084718A1 (en) 2003-05-08
DE69739695D1 (de) 2010-01-21
EP1376072A2 (fr) 2004-01-02
EP1124115A2 (fr) 2001-08-16
DE69708409T2 (de) 2002-07-11
CN1178046C (zh) 2004-12-01
EP1124115B1 (fr) 2009-12-09
US20040177684A1 (en) 2004-09-16
US7281423B2 (en) 2007-10-16
DE69708409D1 (de) 2002-01-03
EP2182332A1 (fr) 2010-05-05
EP0821220B1 (fr) 2001-11-21
CN1173634A (zh) 1998-02-18
US6070462A (en) 2000-06-06
US6510735B2 (en) 2003-01-28
US20030209067A1 (en) 2003-11-13
EP1124115A3 (fr) 2003-01-15
EP0821220A1 (fr) 1998-01-28
EP1376072A3 (fr) 2004-04-21
KR980010367A (ko) 1998-04-30
US6725715B2 (en) 2004-04-27

Similar Documents

Publication Publication Date Title
JP3323745B2 (ja) 物理量検出装置の特性調整手段および発熱抵抗式空気流量装置
EP2012097B1 (fr) Dispositif de mesure du débit massique d'air d'entrée
US5449234A (en) Air temperature sensor
KR100642912B1 (ko) 유량 측정 장치
US7269999B2 (en) Thermal airflow meter
JP6032140B2 (ja) 流量測定装置
JP3557379B2 (ja) 空気流量測定装置
JP3787509B2 (ja) 発熱抵抗式空気流量測定装置
KR100491488B1 (ko) 열형유량측정장치및그온도오차보정수단
JP3878203B2 (ja) 発熱抵抗式空気流量装置
JP2000320368A (ja) 発熱抵抗体式流量測定装置
JP6274273B2 (ja) 流量測定装置
JP2001124606A (ja) 発熱抵抗体式空気流量測定装置
JP3394426B2 (ja) 発熱抵抗式流量測定装置、温度誤差補正システムおよび補正装置
JP3070046B2 (ja) 流量計
JPH05340776A (ja) 熱式空気流量計
JP2000162008A (ja) 発熱抵抗体式空気流量測定装置
JP2004205528A (ja) 空気流量測定装置

Legal Events

Date Code Title Description
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080628

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080628

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090628

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100628

Year of fee payment: 8

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313115

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100628

Year of fee payment: 8

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110628

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110628

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120628

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120628

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130628

Year of fee payment: 11

EXPY Cancellation because of completion of term